Multiple flashlamp system

Illumination – Photographic lighting – Plural light sources or light source supports

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Details

431362, G03B 1502

Patent

active

041288580

ABSTRACT:
A multiple photoflash system is provided which employs a high voltage type flashlamp construction, including a shorting primer material. The primer material is converted to a conductive residue upon ignition of flashlamp to provide a short circuit path between spaced apart inleads of the lamp. Further series connection of the individual lamps in the flashlamp system which are operatively associated with switching devices to provide an open circuit condition upon flashing of the associated lamps permits sequential flashing. The particular primer material which enables the flashlamp system to be operated in this manner comprises a solid mixture of a combustible metal fuel and an oxidizer for the fuel such as alkaline metal chlorates and perchlorates, and which further contains particular proportions of various combustion supporting oxides.

REFERENCES:
patent: 3459488 (1969-08-01), Schroder et al.
patent: 3532931 (1970-10-01), Cote et al.
patent: 3556699 (1971-01-01), Takahashi et al.
patent: 3602619 (1971-08-01), Van der Tas et al.
patent: 3724991 (1973-04-01), Schupp
patent: 3752636 (1973-08-01), Warninck
patent: 3873261 (1975-03-01), Cote
patent: 3884615 (1975-05-01), Sobieski
patent: 3912442 (1975-10-01), Cote

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